I wanted to share this for people that are not on the "Big List" below:

http://www.diy-efi.org/diy_efi/projects/diy_wb/

 

Keep in mind, you get what you pay for when it comes to most widebands.

 

A friend and I are doing this, we have about 5 boards on order (in case we wreck a few), and have 2 wide band 02 sensors. Apparently they work just fine, and is a true wide band o2 sensor. I will let you know how it works.

Mike

p.s. the wideband o2 sensors that some other people sell with their "commercial wideband o2 sensors" is about $400 overpriced.

 

Please keep us updated. If you can, please compare the data you got with the commercial wide band sensor. If it works, I bet you can make some money and keep all the rx7 owners happy at the same time.

Chuck